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Continuity of top seal. As mentioned earlier, the middle Cedar Keys Formation, which makes up the top seal for the lower Cedar Keys and Lawson Dolomites, is a laterally continuous unit composed of massively bedded anhydrite (Miller, 1986; J. Haberfeld, Florida Department of Environmental Protection, personal communication, 2000). Miller (1986) provided numerous cross sections across southern Florida, demonstrating that this unit is laterally continuous. Although basement faults have been reported by numerous authors (Randazzo, 1997) across southern Florida, they should not regionally affect the hydraulic integrity of this anhydrite unit. To characterize the continuity of the top seal, we chose the map of Chen (1965), which shows the percent evaporites in the Paleocene Cedar Keys Dolomite. Winston (1994) also discussed evaporite distribution in the middle Cedar Keys interval (c8cedarkey). This map shows that the evaporites compose at least 20 percent of the Cedar Keys Dolomite throughout south central Florida. |
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Continuity of top seal. As mentioned earlier, the middle Cedar Keys Formation, which makes up the top seal for the lower Cedar Keys and Lawson Dolomites, is a laterally continuous unit composed of massively bedded anhydrite (Miller, 1986; J. Haberfeld, Florida Department of Environmental Protection, personal communication, 2000). Miller (1986) provided numerous cross sections across southern Florida, demonstrating that this unit is laterally continuous. Although basement faults have been reported by numerous authors (Randazzo, 1997) across southern Florida, they should not regionally affect the hydraulic integrity of this anhydrite unit. To characterize the continuity of the top seal, we chose the map of Chen (1965), which shows the percent evaporites in the Paleocene Cedar Keys Dolomite. Winston (1994) also discussed evaporite distribution in the middle Cedar Keys interval (c8cedarkey). This map shows that the evaporites compose at least 20 percent of the Cedar Keys Dolomite throughout south central Florida. |
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Havorka, S., Romero, M., Warne, A., Ambrose, W., Tremblay, T., Trevino, R., and Sasson, D. "Sequestration of Greenhouse Gassesin Brine Formations: CO2 Brine Database. Bureau of Economic Geology Gulf Coast Carbon Center. 2012. https://www.beg.utexas.edu/gccc/research/brine-main |
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Areal extent of the confining zones
Publication Date: 2012
Geographic Extent: Central Florida |
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Public access |
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Cedar Keys and Lawson Dolomites Top Seal Continuity |
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["United States","Florida","Cedar Keys","Cedar Keys and Lawson Dolomites Top Seal Continuity","Cedar Keys and Lawson Dolomites","Lawson Dolomites","Lawson","Dolomite","Top Seal Continuity","Top Seal","Continuity","Polyline"] |
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en-US |
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150000000 |
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